/**
 *     This file is part of cesm-ws.
 *
 *     cesm-ws, Web Service for Community Earth System Model
 *
 *     Copyright (c) 2010, Purdue University and/or affilicates or thrid-party contributors as
 *     indicated by the @author tags or express copyright attribution statements
 *     applied by the authors. All third-party contributions are distributed under
 *     license by Purdue University.
 *
 *     cesm-ws is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with this distribution.  If not, see <http://www.gnu.org/licenses/>.
 */

package edu.purdue.rcac.cesm.util;

public class StringUtil {
	public static String underscore(String CamelWord) {
		String tmp = CamelWord.replaceAll("([A-Z]+)([A-Z][a-z])", "$1_$2");
		return tmp.replaceAll("([a-z0-9])([A-Z])", "$1_$2").replace('-', '_');
	}

	public static String underscoreUpperCase(String CamelWord) {
		return underscore(CamelWord).toUpperCase();
	}

	public static String underscoreLowerCase(String CamelWord) {
		return underscore(CamelWord).toLowerCase();
	}

	public static String getCamelWord(String underscore) {
		StringBuffer buffer = new StringBuffer();
		for (String words : underscore.split("_")) {
			buffer.append(words.substring(0, 1).toUpperCase());
			buffer.append(words.substring(1));
		}
		return buffer.toString();
	}

	public static void main(String[] args) {
		System.out.println(StringUtil.getCamelWord("A_BC_Dis_A_Good"));
	}
}
